GMP inspectors the EU have worked together with inspectors Swissmedic to prepare harmonised guidance on the interpretation of the revised annex to be used during the inspection of manufacturers by their Inspectors. This document has subsequently been proposed and adopted as draft guidance by the Pharmaceutical Inspection Cooperation Scheme (PIC/S): GMP annex 1 revision 2008:Interpretationofmostimportantchangesforthemanufactureofsterilemedicinalproducts .